Transform alphabet practice into a tactile experience! These extra-large gel-filled letters.These extra-large gel-filled letters are textured, inviting children to trace and squeeze, encouraging sensory play and letter recognition. You can even place the letters on an illuminated surface for a more tactile experience. The letters on an illuminated surface to explore color and light! Set includes 26 plastic capital letters in 2 different textures and 6 colors; the letters measure approximately 11 cm. approximately 11 cm. Perfect complement for use with Light Boards.